This page summarises the information held within TEPCat for the transiting planetary system WASP-48. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011AJ....142...86E | |
| Date of discovery paper | 2011 / 4 / 15 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 19 24 38.98 | h m s |
| Declination | +55 28 23.3 | d m s |
| Right ascension (decimal) | 291.16242 | degrees |
| Declination (decimal) | 55.47314 | degrees |
| V-band apparent magnitude | 11.66 | mag |
| K-band apparent magnitude | 10.37 | mag |
| Transit duration | 0.1327 ( 3.185 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2455364.55109 ± 0.00028 | HJD or BJD |
| Orbital period | 2.14363708 ± 0.00000023 | days |
| Reference for orbital ephemeris | 2022AcA....72....1M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6000 ± 150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.12 ± 0.12 | dex |
| Stellar mass | 1.062 ± 0.075 | Msun |
| Stellar radius | 1.519 ± 0.051 | Rsun |
| Stellar logarithmic surface gravity | 4.101 ± 0.023 | c.g.s. |
| Stellar mean density | 0.303 ± 0.022 ( 0.428 ± 0.031 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03320 ± 0.00078 | AU |
| Planetary mass | 0.907 ± 0.085 ( 288 ± 27 ) | Mjup Mearth |
| Planetary radius | 1.396 ± 0.051 ( 15.65 ± 0.57 ) | Rjup Rearth |
| Planetary surface gravity | 11.5 ± 1.1 3.06 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.312 ± 0.037 ( 0.414 ± 0.049 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1956 ± 54 | K |
| Reference of detailed study | 2015A+A...577A..54C |
| Reference | λ (degrees) |
|---|---|
| Zak et al. (2025) | −4 ± 4 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)